20676816621

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{601}}^1$

素因数の和:1008

約数の個数: 80

約数和(自身を含む): 32936238720

約数和(自身を除く): 12259422099

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 177, 207, 313, 531, 601, 621, 939, 1357, 1593, 1803, 1863, 2817, 4071, 4779, 5409, 7199, 8451, 12213, 13823, 16227, 18467, 21597, 25353, 35459, 36639, 41469, 48681, 55401, 64791, 106377, 109917, 124407, 166203, 188113, 194373, 319131, 373221, 424741, 498609, 564339, 583119, 815557, 957393, 1119663, 1274223, 1495827, 1693017, 2446671, 2872179, 3822669, 4326599, 5079051, 7340013, 11098667, 11468007, 12979797, 15237153, 22020039, 33296001, 34404021, 38939391, 66060117, 99888003, 116818173, 255269341, 299664009, 350454519, 765808023, 898992027, 2297424069, 6892272207, 20676816621]

約数ペア:

[(1, 20676816621), (3, 6892272207), (9, 2297424069), (23, 898992027), (27, 765808023), (59, 350454519), (69, 299664009), (81, 255269341), (177, 116818173), (207, 99888003), (313, 66060117), (531, 38939391), (601, 34404021), (621, 33296001), (939, 22020039), (1357, 15237153), (1593, 12979797), (1803, 11468007), (1863, 11098667), (2817, 7340013), (4071, 5079051), (4779, 4326599), (5409, 3822669), (7199, 2872179), (8451, 2446671), (12213, 1693017), (13823, 1495827), (16227, 1274223), (18467, 1119663), (21597, 957393), (25353, 815557), (35459, 583119), (36639, 564339), (41469, 498609), (48681, 424741), (55401, 373221), (64791, 319131), (106377, 194373), (109917, 188113), (124407, 166203)]